1. Product Overview
The Star Trac 4UB Upright Bike is a light institutional rated stationary exercise cycle designed for cardiovascular workouts. It features 40 levels of electronic resistance, an easy-up seat adjust for various user heights, and SOFT TRAC pedals for comfort. The bike also includes elbow supports and racing-style handlebars for an enhanced cycling experience. Its premium full-color flat panel display and quick select adjustment keys provide a user-friendly interface.

Figure 1: Star Trac 4UB Upright Bike. This image shows the full upright bike from a slight angle, highlighting its sleek black and grey design, the central console, handlebars, seat, and pedals.
2. Setup
Before operating your Star Trac 4UB Upright Bike, ensure it is properly assembled and placed on a stable, level surface. Refer to the separate assembly guide for detailed instructions on putting the components together. Once assembled, connect the power cord if you choose to operate it plugged in, or rely on its self-generating capability.
- Placement: Position the bike on a flat, solid surface with adequate clearance around it for safe operation and maintenance.
- Power Connection: The unit can be operated self-generating or plugged in. If plugging in, use a standard electrical outlet.
- Stabilization: Check that all feet are firmly on the ground and the bike does not wobble. Adjust leveling feet if necessary.
3. Operating Instructions
The 4UB Upright Bike features an intuitive console for easy operation. Familiarize yourself with the controls before beginning your workout.

Figure 2: Console of the Star Trac 4UB Upright Bike. This image displays the detailed control panel with a central color LCD screen, numerical keypad, quick select buttons for resistance levels, and navigation controls.
3.1. Getting Started
- Power On: The console will activate when you begin pedaling or if connected to power.
- Adjust Seat: Use the easy-up seat adjust mechanism to set the seat height for comfortable pedaling, ensuring a slight bend in your knee at the bottom of the pedal stroke.
- Select Program: Use the quick select adjustment keys or the console's interface to choose from various workout programs or start a manual workout.
- Adjust Resistance: The bike offers 40 levels of resistance. Increase or decrease resistance using the dedicated buttons on the console to match your desired intensity.
3.2. During Workout
- Monitor Progress: The active matrix, full color flat panel LCD display shows key metrics such as time, distance, speed, calories burned, and heart rate (if applicable).
- Hand Positions: Utilize the elbow supports and racing-style handlebars for varied and comfortable hand positions during your ride.
- Emergency Stop: In case of an emergency, cease pedaling and press the stop button on the console.
4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Star Trac 4UB Upright Bike. Always unplug the unit before performing any maintenance or cleaning.
- Cleaning: Wipe down the bike after each use with a damp cloth to remove sweat and dust. Avoid abrasive cleaners or solvents.
- Inspections: Periodically check all bolts and nuts for tightness. Ensure pedals are securely attached and the seat adjustment mechanism operates smoothly.
- Lubrication: No regular lubrication is typically required for the internal mechanisms. Refer to a professional if you notice any unusual noises.
- Storage: Store the bike in a dry, temperate environment away from direct sunlight and extreme temperatures.
5. Troubleshooting
This section provides solutions to common issues you might encounter with your 4UB Upright Bike. For problems not listed here, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No display on console | Not pedaling (if self-generating), power cord loose, no power to outlet. | Begin pedaling, check power cord connection, verify outlet power. |
| Resistance not changing | Console error, internal mechanism issue. | Restart the bike, ensure proper button presses. If issue persists, contact support. |
| Unusual noises during operation | Loose components, internal wear. | Check all visible bolts and connections. If noise continues, discontinue use and contact support. |
6. Specifications
Key technical specifications for the Star Trac 4UB Upright Bike:
- Model Name: 4UB Upright Bike
- Model Number: 9-3180-4UB-10IN
- Resistance Levels: 40
- Resistance Mechanism: Alternator
- Drive System: Belt
- Power Source: Corded Electric / Self-generating
- Material: Powder Coated Steel Frame
- Color: Black
- Assembled Dimensions (L x W x H): 46" x 23" x 57"
- Product Weight: 157 Pounds
- Maximum User Weight Recommendation: 350 lbs (Residential and Light Commercial rated)
- UPC: 855512003311

Figure 3: Dimensions of the Star Trac 4UB Upright Bike. This image illustrates the length (46 inches), width (23 inches), and height (57 inches) of the assembled bike.
7. Warranty and Support
For specific warranty details, please refer to the warranty card included with your product or visit the official Star Trac website. Keep your proof of purchase for warranty claims.
If you require technical assistance, have questions about operation, or need to order replacement parts, please contact Star Trac customer support. Contact information can typically be found on the product packaging, the official website, or the included documentation.
- Customer Support: Refer to your product's documentation or the manufacturer's website for contact details.
- Online Resources: Check the Star Trac website for FAQs, additional guides, and software updates.





